i think bigger danger is for obama. you don't want an ah-ha moment where everyone says oh, my god, maybe this race has just changed because of the way he treated romney onstage. so obama has to play it safe. >> there's been a lot of talk about how romney actually did in the debates during the primary and how this will be different. i wanted to read this. this was a debate with t president will be much different during the republican primary. -- hillary clinton's debate prep says this no one punished mitt romney for being mean to rick santorum. the problem for governor romney is that he has to be across from the president of the united states, attack him, and still seem likable. that's a harder thing to do. and particularly if you're mitt romney, right, because you know, a lot of folks believe that, you know, he's having a very, very hard time being electable. >> absolutely. and when you attack yo opponent, your favorability often declines. that's a bigger problem for romney whose favorability is lower. on the other hand